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Troubleshooting

Last updated: 2020-05-27 14:29:12

Overview

If an SDK API call to request the COS service fails, an error message will be returned in the callback.

Sample error

cos.headBucket({
    Bucket='examplebucket-1250000000',
    Region: 'COS_REGION',     /* Bucket region. Required */
},function (err,data) {
    if (err) {
        console.log(err.error);
    }
});

Client Exceptions

Parameter Name	Description	Type
err	Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes	Object
- error	Request error message	Object/String

Server exceptions

Parameter Name	Description	Type
err	Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes	Object
- statusCode	HTTP status code returned by the request, such as `200`, `403`, and `404`	Number
- headers	Header information returned by the request	Object
- error	Request error message	Object/String
errorCode	Error code returned by the body when the request fails. For more information, see Error Codes.	string
errorMessage	Error message returned by the body when the request fails. For more information, see Error Codes.	string
- - RequestId	A unique ID of the request in the server request log that can be submitted in a ticket for troubleshooting	String